Home / 11,055.04-15,251.78-7,075.51

Finding the Fourth Proportional to 11,055.04, 15,251.78 and 7,075.51

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Solution

The fourth proportional to 11,055.04, 15,251.78 and 7,075.51 is: 9,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.04 : 15,251.78 = 7,075.51 : x
  2. Step 2: Convert to fraction form
    11,055.04/15,251.78 = 7,075.51/x
  3. Step 3: Cross multiply
    11,055.04x = 15,251.78 × 7,075.51
  4. Step 4: Simplify right side
    11,055.04x = 107,914,086.53
  5. Step 5: Solve for x
    x = 107,914,086.53/11,055.04
  6. Step 6: Final answer
    x = 9,761.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.